soc: Add MediaTek pericfg controller support

This adds support for the MediaTek pericfg controller found
on the MT8135/MT8173 SoCs. The pericfg controller contains
miscellaneous registers for controlling peripheral resets and
clocks.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 19 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/soc/mediatek/pericfg.txt b/Documentation/devicetree/bindings/soc/mediatek/pericfg.txt
new file mode 100644
index 000000000000..81d1aeeaebba
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mediatek/pericfg.txt
@@ -0,0 +1,19 @@
+MediaTek pericfg Controller
+
+The pericfg controller contains miscellaneous registers for controlling
+clocks, resets and bus settings.
+
+Required properties:
+- compatible: must be one of:
+	mediatek,mt8135-pericfg
+	mediatek,mt8173-pericfg
+- reg: Address range for the pericfg controller
+
+Example:
+
+	pericfg: pericfg@10003000 {
+		#reset-cells = <1>;
+		#clock-cells = <1>;
+		compatible = "mediatek,mt8135-pericfg";
+		reg = <0 0x10003000 0 0x1000>;
+	};